Home / 20,162.66-27,817.95-11,208.44

Finding the Fourth Proportional to 20,162.66, 27,817.95 and 11,208.44

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Solution

The fourth proportional to 20,162.66, 27,817.95 and 11,208.44 is: 15,464.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,162.66 : 27,817.95 = 11,208.44 : x
  2. Step 2: Convert to fraction form
    20,162.66/27,817.95 = 11,208.44/x
  3. Step 3: Cross multiply
    20,162.66x = 27,817.95 × 11,208.44
  4. Step 4: Simplify right side
    20,162.66x = 311,795,823.50
  5. Step 5: Solve for x
    x = 311,795,823.50/20,162.66
  6. Step 6: Final answer
    x = 15,464.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.